FIN INIT

node_modules/yaml/dist/compose/resolve-props.js

@@ -0,0 +1,148 @@
+'use strict';
+
+function resolveProps(tokens, { flow, indicator, next, offset, onError, parentIndent, startOnNewline }) {
+    let spaceBefore = false;
+    let atNewline = startOnNewline;
+    let hasSpace = startOnNewline;
+    let comment = '';
+    let commentSep = '';
+    let hasNewline = false;
+    let reqSpace = false;
+    let tab = null;
+    let anchor = null;
+    let tag = null;
+    let newlineAfterProp = null;
+    let comma = null;
+    let found = null;
+    let start = null;
+    for (const token of tokens) {
+        if (reqSpace) {
+            if (token.type !== 'space' &&
+                token.type !== 'newline' &&
+                token.type !== 'comma')
+                onError(token.offset, 'MISSING_CHAR', 'Tags and anchors must be separated from the next token by white space');
+            reqSpace = false;
+        }
+        if (tab) {
+            if (atNewline && token.type !== 'comment' && token.type !== 'newline') {
+                onError(tab, 'TAB_AS_INDENT', 'Tabs are not allowed as indentation');
+            }
+            tab = null;
+        }
+        switch (token.type) {
+            case 'space':
+                // At the doc level, tabs at line start may be parsed
+                // as leading white space rather than indentation.
+                // In a flow collection, only the parser handles indent.
+                if (!flow &&
+                    (indicator !== 'doc-start' || next?.type !== 'flow-collection') &&
+                    token.source.includes('\t')) {
+                    tab = token;
+                }
+                hasSpace = true;
+                break;
+            case 'comment': {
+                if (!hasSpace)
+                    onError(token, 'MISSING_CHAR', 'Comments must be separated from other tokens by white space characters');
+                const cb = token.source.substring(1) || ' ';
+                if (!comment)
+                    comment = cb;
+                else
+                    comment += commentSep + cb;
+                commentSep = '';
+                atNewline = false;
+                break;
+            }
+            case 'newline':
+                if (atNewline) {
+                    if (comment)
+                        comment += token.source;
+                    else if (!found || indicator !== 'seq-item-ind')
+                        spaceBefore = true;
+                }
+                else
+                    commentSep += token.source;
+                atNewline = true;
+                hasNewline = true;
+                if (anchor || tag)
+                    newlineAfterProp = token;
+                hasSpace = true;
+                break;
+            case 'anchor':
+                if (anchor)
+                    onError(token, 'MULTIPLE_ANCHORS', 'A node can have at most one anchor');
+                if (token.source.endsWith(':'))
+                    onError(token.offset + token.source.length - 1, 'BAD_ALIAS', 'Anchor ending in : is ambiguous', true);
+                anchor = token;
+                start ?? (start = token.offset);
+                atNewline = false;
+                hasSpace = false;
+                reqSpace = true;
+                break;
+            case 'tag': {
+                if (tag)
+                    onError(token, 'MULTIPLE_TAGS', 'A node can have at most one tag');
+                tag = token;
+                start ?? (start = token.offset);
+                atNewline = false;
+                hasSpace = false;
+                reqSpace = true;
+                break;
+            }
+            case indicator:
+                // Could here handle preceding comments differently
+                if (anchor || tag)
+                    onError(token, 'BAD_PROP_ORDER', `Anchors and tags must be after the ${token.source} indicator`);
+                if (found)
+                    onError(token, 'UNEXPECTED_TOKEN', `Unexpected ${token.source} in ${flow ?? 'collection'}`);
+                found = token;
+                atNewline =
+                    indicator === 'seq-item-ind' || indicator === 'explicit-key-ind';
+                hasSpace = false;
+                break;
+            case 'comma':
+                if (flow) {
+                    if (comma)
+                        onError(token, 'UNEXPECTED_TOKEN', `Unexpected , in ${flow}`);
+                    comma = token;
+                    atNewline = false;
+                    hasSpace = false;
+                    break;
+                }
+            // else fallthrough
+            default:
+                onError(token, 'UNEXPECTED_TOKEN', `Unexpected ${token.type} token`);
+                atNewline = false;
+                hasSpace = false;
+        }
+    }
+    const last = tokens[tokens.length - 1];
+    const end = last ? last.offset + last.source.length : offset;
+    if (reqSpace &&
+        next &&
+        next.type !== 'space' &&
+        next.type !== 'newline' &&
+        next.type !== 'comma' &&
+        (next.type !== 'scalar' || next.source !== '')) {
+        onError(next.offset, 'MISSING_CHAR', 'Tags and anchors must be separated from the next token by white space');
+    }
+    if (tab &&
+        ((atNewline && tab.indent <= parentIndent) ||
+            next?.type === 'block-map' ||
+            next?.type === 'block-seq'))
+        onError(tab, 'TAB_AS_INDENT', 'Tabs are not allowed as indentation');
+    return {
+        comma,
+        found,
+        spaceBefore,
+        comment,
+        hasNewline,
+        anchor,
+        tag,
+        newlineAfterProp,
+        end,
+        start: start ?? end
+    };
+}
+
+exports.resolveProps = resolveProps;